SB2022062036 - SUSE update for 389-ds 

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Main Vulnerability Database SB2022062036

SB2022062036 - SUSE update for 389-ds

Published: June 20, 2022

Security Bulletin ID SB2022062036
Severity
Medium
Patch available
YES
Number of vulnerabilities 2
Exploitation vector Remote access
Highest impact Denial of service

Breakdown by Severity

Medium 100%
  • Low
  • Medium
  • High
  • Critical

Description

This security bulletin contains information about 2 secuirty vulnerabilities.


1) Use-after-free (CVE-ID: CVE-2021-4091)

The vulnerability allows a remote user to perform a denial of service (DoS) attack.

The vulnerability exists due to a use-after-free error when processing virtual attributes context in persistent searches. A remote user can send specially crafted search requests to the directory server, trigger a use-after-free error and crash the server.



2) Incorrect authorization (CVE-ID: CVE-2022-1949)

The vulnerability allows a remote attacker to perform a denial of service attack.

The vulnerability exists due to incorrect authorization in the 389-ds-base package where some LDAP queries can cause performance issues. A remote attacker can send a non-optimal search that causes serious performance issues within the directory server.


Remediation

Install update from vendor's website.

References